5.) For a less intense DoF effect and better performance, use the LQ DoF in the "Peformance Settings" folder.

If you experience shadow flickering, try the following suggested by Aiyeen

QUOTE

The flickering is due to a too small AO texture resolution relative to your monitor resolution. Increase the following in the enbseries.ini before starting the game. SizeScale and SourceTexturesScale. The SizeScale is the most vital, and also the one that hit performance the hardest. Do not go above 1.0 values around 0.7 will have removed just about all flickering.